公开(公告)号：US06303213B1

公开(公告)日：2001-10-16

申请号：US09537374

申请日：2000-03-29

申请人： Horst Berneth ,  Uwe Claussen ,  Rolf Richter ,  Harro Träubel ,  Günter Franke

发明人： Horst Berneth ,  Uwe Claussen ,  Rolf Richter ,  Harro Träubel ,  Günter Franke

IPC分类号： B32B300

CPC分类号： G03G21/043 ,  B41M3/14 ,  B41M3/144 ,  B42D25/29 ,  G03C5/08 ,  Y10S283/902 ,  Y10S428/916 ,  Y10T428/24835 ,  Y10T428/24901 ,  Y10T428/24934

摘要： The invention relates to substrates bearing visible information that is secure against unauthorized copying obtained by applying information in the form of combinations of at least one emitting colorant and at least one reflecting colorant that are selected to exhibit similar or identical hues when viewed, with no cognizance being taken of fluorescence, and are applied in such a manner that their color fields touch, wherein the color loci of the two colorants correspond to one of the trichromatic colors yellow, magenta, or cyan and the reflecting colorant is an organic or inorganic pigment.

摘要翻译： 本发明涉及具有可靠信息的基片，该信息是通过应用至少一种发光着色剂和至少一种反射着色剂的组合形式的信息获得的，以防止未经授权的复制，所述信息被选择为在观看时呈现相似或相同的色调，而没有认知 被采用荧光，并且以这样的方式施加它们的颜色区域，其中两个着色剂的色迹对应于黄色，品红色或青色的三色颜色之一，反射着色剂是有机或无机颜料。

公开(公告)号：US06254644B1

公开(公告)日：2001-07-03

申请号：US09367992

申请日：1999-08-23

申请人： Harro Träubel ,  Hanns-Peter Müller ,  Helmut Reiff ,  Jürgen Reiners ,  Gerd-Friedrich Renner ,  Rainhard Koch ,  Karl Pisaric

发明人： Harro Träubel ,  Hanns-Peter Müller ,  Helmut Reiff ,  Jürgen Reiners ,  Gerd-Friedrich Renner ,  Rainhard Koch ,  Karl Pisaric

IPC分类号： C14C300

CPC分类号： C14C3/28 ,  C08G18/8083 ,  C08G2230/00 ,  C14C3/08 ,  C14C3/18 ,  C14C9/00 ,  C14C11/003

摘要： The present invention relates to a process for preparing leather by (I) tanning a pelt with (a) an aldehyde, or (b) a bisulphite-blocked polyisocyanate; (II) optionally, retanning the pelt with (a) a polyaspartic acid, a salt of a polyaspartic acid, a polyaspartic acid anhydride, or a mixture thereof, and/or (b) a polyaspartamide; (III) dressing the resultant product by (a) bottoming the product with a polyurethane and one or more natural bottoming assistants, and (b) applying a polyurethane and/or polyesteramide finish; and (IV) optionally, aftertreating the resultant dressed leather with a leather preservative.

摘要翻译： 本发明涉及通过（I）用（a）醛或（b）亚硫酸氢盐封端的多异氰酸酯鞣制皮肤来制备皮革的方法;（II）任选地，用（a）聚天冬氨酸， 聚天冬氨酸的盐，聚天冬氨酸酐或其混合物，和/或（b）聚天冬氨酰胺;（III）通过（a）用聚氨酯和一种或多种天然底层助剂底部产品来调整所得产物 ，和（b）施加聚氨酯和/或聚酯酰胺表面; 和（IV）任选地，用皮革防腐剂后处理所形成的穿着皮革。